Shall, Will, Should, Would, May, Might, Must
A reader’s suggestion, this. Good idea, even though it’s more of a contractual drafting or opinions point than a general legal writing tip.
Shall, will and must
The difference is to a large extent idiomatic – that is, subject more to instinct and feel than hard-and-fast grammatical rules. Usage has also changed over the centuries, and varies between North America and Britain. What follows is a distillation, as best I can manage.
In classic usage, shall is used in the first person (I, we) to indicate a wish or ‘mere futurity’. To say I will or …